Finding the Fourth Proportional to 7,757,740.73, 10,705,682.12 and 4,496,447.14
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Solution
The fourth proportional to 7,757,740.73, 10,705,682.12 and 4,496,447.14 is: 6,205,096.99
Step by Step Solution
- Step 1: Write the proportion equation
7,757,740.73 : 10,705,682.12 = 4,496,447.14 : x - Step 2: Convert to fraction form
7,757,740.73/10,705,682.12 = 4,496,447.14/x - Step 3: Cross multiply
7,757,740.73x = 10,705,682.12 × 4,496,447.14 - Step 4: Simplify right side
7,757,740.73x = 48,137,533,700,976.70 - Step 5: Solve for x
x = 48,137,533,700,976.70/7,757,740.73 - Step 6: Final answer
x = 6,205,096.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.